Fast and Furious U.S Army Helicopter Piasecki X-49A

The Piasecki X-49 "Speedhawk" is a twin-engined and four-bladed helicopter for U.S military with its high forward-swept wing concept and a 45-inch cabin extension.

It's look like a Black Hawk but it's technically better along with its functional design. This perfect military helicopter made its first flight in June, 2007. The maximum speed for X49A is 167 mph, 268km/h.